Bottom Line: Online streaming music service Spotify has excellent audio, easy playlist formation, Facebook integration, and over 15 million tracks, but it is creates a massive drain on mobile devices and occasionally refused to play my WMA tracks.

How Inkling Systems CEO Matt MacInnis uses apps like Google Keep and Wunderlist to stay on task and productive while running his growing startup.

Bottom Line: After a recent update, the Gmail app for Android pops with primary colors, but the overall functionality of the app hasn't changed much at all, which is good because it's intuitive to use, but bad if you were hoping for features that make email management easier on the go.

We break down the specs, features, and locations where you can buy a pair of Snap, Inc.'s chic connected sunglasses.

Bottom Line: This iPhone app is boldly young and daringly ephemeral, letting you send messages, videos, and pictures that vanish once they're read. A recent update has greatly improved Snapchat's live voice and video chatting.

The rebranded Snap Inc. is "a camera company" that sells "toys" to the connected generation, and that's a deceptively smart move for a tech startup finally realizing what kind of company it is.

Bottom Line: This iPhone app is boldly young and daringly ephemeral, letting you send messages, videos, and pictures that vanish once they're read. A recent update has greatly improved Snapchat's live voice and video chatting.